CN216521813U

CN216521813U - Electronic system for detecting and reminding switching state of gas stove

Info

Publication number: CN216521813U
Application number: CN202123326411.4U
Authority: CN
Inventors: 不公告发明人
Original assignee: Liu Shuojiang
Current assignee: Liu Shuojiang
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-05-13
Anticipated expiration: 2031-12-28

Abstract

The utility model provides an electronic system for detecting and reminding the switching fire state of a gas stove, which comprises an identification body on a switch knob of the stove, a host and a remote module. The system detects the on-off state of the household gas stove in real time and timely makes a reminding action in an unattended combustion state, so that the unsafe reconstruction of a high-cost detection mode, a non-original factory additionally-installed power supply and the like in the stove is avoided, and the dangerous alarm of the gas stove is realized. The host computer can with remote module wireless communication, thereby obtains the displacement signal of sign body at the other non-contact response of switch knob and obtains cooking utensils switch fire state, to the signal of two kinds of different states of the expression switching on or switching off that acquires, the host computer transmits radio signal in good time for the remote module, and the back is received to the remote module, correspondingly makes in good time or does not make the warning.

Description

Electronic system for detecting and reminding switching state of gas stove

Technical Field

The utility model relates to a gas stove alarm system, in particular to a detection and reminding device for the on-off state of a gas stove.

Background

Some dangerous states can occur in the use of the gas stove, one is the long-time unattended combustion, and the corresponding detection alarm technical scheme can theoretically determine the fire switching state of the stove by detecting the flame of the stove and relevant derivative characteristics thereof at the front end; on the other hand, the gas stoves which are not provided with the function and are preserved and shipped by residents need to realize detection and alarm of switching fire, and new safety risks caused by the mode that a power supply is additionally arranged in a non-original factory side in the kitchen range which is shipped by residents are avoided according to the requirements of national standards GB16410-2007 and GB 16410-2020.

Disclosure of Invention

In order to achieve the purposes of detecting the switching fire state of a gas stove in real time and timely alarming and reminding the unattended combustion state, technically avoid the defects caused by directly detecting the flame of the gas stove, and simultaneously bring no new safety risk to the original gas stove, aiming at the gas stove which is owned by residents and does not have the function in the original factory, the embodiment of the utility model realizes and provides the detection device and the electronic system applying the detection device, and the detection device can safely and inexpensively acquire the switching fire state of the gas stove in real time and timely give an alarm and remind.

According to one embodiment of the utility model, the mark body is used for being fixed on a switch knob of a cooker so as to mark whether any point on the outer surface of the switch knob is subjected to symbolic displacement away from the position of the switch knob when the switch knob is closed; the host computer is fixed beside the switch knob to sense whether the marker body generates the symbolic displacement so as to obtain the switching state of the cooker, namely: when the switch knob rotates anticlockwise to open fire, the identification body moves away from the original position to generate the symbolic displacement, and the host machine detects the fire opening state of the stove; the switch knob rotates to close the identification body and returns to the position when the identification body is closed in a follow-up manner, and the main machine detects the fire-off state of the cooker; the host is also used for communicating with the remote module, the host timely transmits wireless signals to the remote module for detected signals in two different states of on or off, the remote module is correspondingly used for timely sending or not sending the host timely transmitting wireless signals to the remote module after receiving, and the remote module is correspondingly used for timely sending or not sending a prompt after receiving.

In some embodiments, the flag body is preformed integrally with the switch knob.

In some embodiments, the identification body is configured to be indirectly secured to the switch knob outer surface or directly secured to the switch knob outer surface via the base.

The host machine is internally provided with a sensor module, a human body detection module, a control unit, a wireless communication module and a control unit, wherein the sensor module is connected with the human body detection module and is used for acquiring a detection result and transmitting an unattended opening or safety two representation signals to the connected wireless communication module according to preset time.

The remote module of the system is a first one or a combination comprising a first one of: a first type of remote module for placement at an access door; the second type of remote end module is used for being placed at a convenient position in a home; the third type of remote module is a mobile internet terminal device.

In some embodiments, a first type of remote module is arranged on the inner side of the household entrance door and comprises a human body approach sensing module, and the remote module acquires a signal that the stove is in an unattended opening state and senses that a person approaches the entrance door, and then sends out a reminding alarm.

In some embodiments, the system further comprises a second type of remote module for sending out a prompt at a proper time, and the second type of remote module comprises a prompting device, a control module and a wireless communication module.

In some embodiments, the system further includes a third remote module, i.e., a mobile internet terminal, for receiving the reminding information.

The utility model is applied to a kitchen alarm system or a home Internet of things, detects the on-off state of the gas stove in real time, realizes the alarm reminding of preventing unattended combustion in a home at low cost, avoids the limitation of application scenes caused by detecting flame characteristics, and also avoids the safety risk brought by technical schemes of changing the existing resident kitchen range and the kitchen range which is not provided with the function when leaving a factory and the like.

Drawings

The present invention will be described in detail below with reference to the accompanying drawings and embodiments.

Fig. 1 is a system core signaling diagram.

Fig. 2 is a schematic diagram of a first embodiment of an electronic system.

Fig. 3 is a block diagram of the system with only remote modules of the first type.

Fig. 4 is a schematic view of a cooktop switch knob pre-formed with a logo.

Fig. 5 is a system block diagram of the second embodiment.

FIG. 6 is a schematic view of a cooktop switch knob with attached color markers.

Fig. 7 is a system block diagram of the third embodiment.

Main device module notation:

a stove switch knob: 100,101, 102;

identification body: 1, 11, 12;

the mark body base: 13, 14;

a host computer: 2;

a first type of remote module: 3;

remote modules of the second type 1 to n: 301, …,30 n;

sensor of the host computer: 21, 22;

the control unit of the host computer: 23;

the human body detection module of host computer: 24;

the wireless communication module of the host: 25;

first-class remote wireless communication module: 32, a first step of removing the first layer;

a first type of remote control module: 31;

a first type of remote exit detection module: 33;

the first-class remote reminding device: 34;

second type remote wireless communication module: 312, …,3n 2;

a second type of remote control module: 311, …,3n 1;

a third type of remote module: m 3.

Detailed Description

It should be noted that, in the present application, the embodiments and features of the embodiments may be variously combined without conflict.

The signal of the on-off state obtained by the detection device is a main physical signal realized by the electronic system, the generation and transmission process is shown in fig. 1, a clear cooking utensil on-off state signal is obtained from s101, s102 to s103, and the complete function is realized from s104 to s 105; fig. 2 gives a visual illustration of the present invention, taking the first embodiment as an example, where a host located on the top of a kitchen range t communicates with a remote module near an entrance door d via a spatial distance s. Three specific examples are given below.

In a first embodiment, depicted in fig. 3, the electronic system comprises an

identification body

11,12, a host 2 and a remote module 3 of a first type.

The mark body is two same standard

permanent magnets

11,12, is used for fixing on

base

13,14 respectively and pastes through the base and fixes two switch knob surface at the cooking utensils, and the mark body is connected with the host computer no wire.

The magnet and the sensor have own parameters and models respectively, the host machine 2 is used for setting the closing state of the cooker at the relative positions beside the

mark bodies

11 and 12, so that the

sensors

21 and 22 can respectively sense whether the

mark bodies

11 and 12 generate displacement signals leaving the closing positions or not, the

magnets

11 and 12 can also mark the symbolic displacement of the position where the magnet and the switch knob are positioned when the magnet and the switch knob are closed or not, and the symbolic displacement triggers the sensor to correspondingly transmit different electric signals to respectively indicate the opening and closing of the cooker; that is: any mark displacement of the

mark bodies

11 and 12 away from the closed position indicates that the cooker is in an open state, and the mark displacement does not indicate that the cooker is in a closed state.

The

sensors

21,22 transmit the electric signal indicating the on or off of the cooker to the connected control unit 22, and the control unit 23 is a logic circuit composed of a relay, a diode and a timing device; when the control unit 23 obtains a signal that the cooker is opened, the human body sensor 24 is conducted to start detection, and according to whether a signal that the user is on duty is received, the wireless communication module 25 is started to transmit a signal indicating that the user is on duty to the remote module 3 according to a set time condition or directly starts to transmit a signal indicating safety; when the control unit 23 obtains the signal that the cooker is closed, the human body sensor 24 is not started to detect, and the wireless communication module 25 is controlled to transmit an electric signal representing safety to the remote module.

In this embodiment, only one remote module is the first-class remote module 3 placed at the entrance door, when the remote module 3 receives the unattended fire state signal and detects that someone approaches the entrance door, the remote module at the entrance door starts a reminder, and when nobody approaches the entrance door, the reminder is triggered according to a preset timing condition; and when the remote module receives the signal indicating safety continuously, the timing reminding and the human body approach detection are not started.

In a second embodiment, the electronic system comprises a standard magnet 1 as a sign body, a main body 2 and a first type of remote modules 3, n second type of remote modules 301, …,30n arranged according to a household structure.

As shown in fig. 4, the magnet 1 is used to be prefabricated with a switch knob, fig. 5 is a system block diagram of the present embodiment, the host 2 is used to set the closing state of the cooker at a relative position beside the identifier 1, so that the sensor 21 can sense whether the magnet 1 generates a displacement signal for leaving the closing position, and thereby the magnet 1 identifies whether the magnet and any point on the outer surface of the switch knob are in a symbolic displacement for leaving the closing position, and the symbolic displacement signal triggers the sensor 21 to correspondingly transmit different electric signals to the connected control unit 23, which respectively indicate the opening and closing of the cooker; that is: the magnet 1 is in the marking displacement away from the closed position to indicate that the cooker is opened, and the magnet is not in the closed state.

In this embodiment, entrance door department is provided with first type of remote module 3 for the warning of going out when cooking utensils unmanned on duty is opened, including control module 31, human body is close detection module 33, and alarm reminding device 34 and bluetooth communication module 32, detect someone and be close entrance door certain area when human body is close detection module 33, trigger bluetooth module 32 and the communication of the wireless bluetooth module 25 of host computer, wireless bluetooth module 24 and the host computer the control unit 23 communication of being connected.

The control unit 23 is a single chip microcomputer, and controls the wireless bluetooth module 25 to immediately transmit an electric signal representing safe or unattended fire to the first-class remote module as a response according to the currently acquired on-off fire state of the cooker and a human body detection result, and sends a corresponding signal to the second-class remote modules 301 to 30n according to a preset time condition; the first type of remote module correspondingly triggers the reminding device to alarm or not trigger; the second type remote modules 301 to 30n receive corresponding signals to send or not send out prompts according to the preset of the host.

In a third embodiment, shown in fig. 7, the electronic system comprises a color marker 1 as a logo, a host 2 and a first type of remote module 3, a second type of remote module 301 and a third type of remote module, i.e. a mobile phone application m 3.

The color code 1 is used for being arranged on the surface of the excircle of the cooking utensil switch knob, as shown in figure 6;

the main machine 2 is used for setting the closing state of the cooker at the opposite position beside the identification body 1, so that the color sensitive sensor 21 can sense whether the color code 1 generates a displacement signal which leaves the closing position, the color code 1 can identify whether the color code 1 and any point on the outer surface of the switch knob generate a symbolic displacement which is located when the color code 1 leaves the closing position, and the symbolic displacement triggers the color sensitive sensor 21 to correspondingly transmit different electric signals which respectively represent the opening and closing of the cooker; that is: the color scale 1 is shifted from the closed position to indicate that the cooker is opened, and the condition that the cooker is in the closed state is not generated.

The sensor 21 transmits an electric signal indicating the opening or closing of the stove to the connected control unit 22, and the control unit 22 is a single chip microcomputer; when the control unit 23 acquires a signal for opening the cooker, the human body sensor 24 is conducted to start detection, and according to whether a signal for guarding is received, the wireless WIFI module 24 is started to transmit a signal for indicating unattended opening to the remote module according to a set time or directly starts to transmit a signal for indicating safety; when the control unit 23 acquires a signal indicating that the cooker is closed, the human body sensor 24 is not started to detect, and the wireless WIFI module 25 is controlled to transmit an electric signal indicating safety to the remote module.

In this embodiment, the remote module has a first type of remote module 3 placed at the entrance door, the remote module starts a reminder when the remote module 3 receives a signal of an unattended fire state and detects that someone approaches the entrance door, and the reminder and the human body approach detection are not started when the remote module 3 approaches the entrance door or when the remote module 3 receives a signal indicating safety continuously; the second-type remote module 301 and the mobile phone end m3 receive corresponding signals to send or not send out a prompt according to the preset of the host.

The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and it is within the scope of the present invention for a person of ordinary skill in the art to make various changes on the premise of the technical principle and the inventive concept of the present invention, for example, to set up a relay communication function in front of a remote module, or to move part of functions of a host to the remote module for implementation, or to make a new combination of part of functions of the host and the remote module.

Claims

1. A gas range switch fire state detection and reminding electronic system comprises a host machine, a remote end module and a remote end module, wherein the remote end module is respectively provided with a built-in power module for supplying power; whether the symbolic displacement occurs or not shows the state of the stove switch fire; the identification body has a physical characteristic which can be identified and sensed by the host computer; the host is used for comprising: the remote module is fixed beside the switch knob to obtain whether the signal of the symbolic displacement exists or not so as to obtain the on-off state of the stove and wirelessly communicate with the remote module; the remote module is configured to include: wirelessly communicating with the host and making an alert reminder; the host machine senses and acquires a physical signal indicating whether the marker body generates the symbolic displacement, the host machine transmits a wireless signal to the remote end module in time for the acquired signal indicating two different states of on or off, and the remote end module is correspondingly used for making or not making a prompt in time after receiving the signal.

2. The gas range switch fire status detection and reminder electronic system of claim 1, wherein the identifier has one or a combination of the following physical characteristics and is detectable by the host computer: color markers, magnetic substances, image markers.

3. The gas range switch fire status detection and reminder electronic system of claim 1, wherein the main unit comprises: the sensor is used for sensing whether any one of the correspondingly detected identification bodies generates the symbolic displacement or not; the wireless communication module is used for communicating with the remote end module; the human body detection module is used for detecting whether a person is on duty in the induction range; and the control unit is connected with the sensor, the human body detection module and the wireless communication module and is used for acquiring a sensing detection result and transmitting an unattended combustion or safety representation signal to the connected wireless communication module according to a preset condition.

4. The gas range switch fire status detection and reminder electronic system of claim 1, wherein the remote module is a first one or a combination including a first one of the following types: the first-class remote module is used for detecting the exit of personnel and sending out a prompt in due time; the second type remote module is used for receiving unattended combustion or safety signals and sending out a prompt in due time; the third type of remote module is a mobile internet terminal device.

5. The gas cooker fire on-off state detection and reminding electronic system as claimed in claim 4, wherein the first type of remote module further comprises a human body approach sensing module, a reminding device, a wireless communication module and a control module.

6. The gas range on-off fire state detection and reminding electronic system of claim 4, wherein the second type remote module comprises a reminding device, a control module and a wireless communication module.

7. The gas range on-off fire state detection and reminding electronic system as claimed in any of claims 1 to 6, wherein the wireless communication module is one of: the wireless protocol module, bluetooth module or WIFI module.